screen.css

@import url("hk-pyg.css");

body { padding: 10px;
      font-size: 14pt;
      font-family: Arial, sans-serif;
      line-height: 1.4em; }

header h1 { font-size: 42pt; }

main { max-width: 46em;
       border-left: 1px solid grey; }

nav { margin-top: 1em; }

footer { padding: 1em; color: #888; text-align: center; font-size: 93%; }

.navbar-default { background-color: transparent; border: none; }

/* Tree menus */
.nav-header:after {
content: "\00A0\25BE";
}
li > ul.tree {
  padding-left: 10px;
}

/* collapse menu at "small" size rather than phone size */
@media (max-width: 991px) {
    .navbar-header {
        float: none;
    }
    .navbar-toggle {
        display: block;
    }
    .navbar-collapse {
        border-top: 1px solid transparent;
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
    }
    .navbar-collapse.collapse {
        display: none!important;
    }
    .navbar-nav {
        float: none!important;
        margin: 7.5px -15px;
    }
    .navbar-nav>li {
        float: none;
    }
    .navbar-nav>li>a {
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .navbar-text {
        float: none;
        margin: 15px 0;
    }
    /* since 3.1.0 */
    .navbar-collapse.collapse.in {
        display: block!important;
    }
    .collapsing {
        overflow: hidden!important;
    }
}